Riuman organs: 21. 509
The results showed that a large proportion of the rats succumbed to intestinal plague. Many, also, died of bubonic plague.
Series No.II. Feeding with the organs and tissues of white rats, teeming with the B. pestis:
The results obtained were similar to those of Series No.I.
Series No.III. Feeding with bouillon cultures of the B. pestis.
The most frequent form of the disease set up by these cultures, was found to be either bubonic plague with cervical or other buboes, or acute septicæmic plague. Intestinal plague may be also obtained in a certain proportion of the cases.
Series No.III. Feeding white rats with cultures of the B. pestis, obtained chiefly from the heart blood of white rats on agar.